Free sample dataset from BeamStation
--HHI Dominance--
This dataset captures near‑monopoly positions for businesses operating in New Jersey, US. It contains 757 records, each representing a firm that mathematically "owns" its local market with a share above 30 % and an HHI contribution exceeding 900 within a 1 km radius. These are the safe, cash‑flow‑heavy bets that competitors find difficult to dislodge. Updated weekly, the data lets… See the full description on the dataset page:
https://huggingface.co/datasets/beamstation/the-hhi-monopoly-index-for-new-jersey-us-516835.